/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package courier;

import entity.Comments;
import entity.Orders;
import entity.Users;
import facade.CommentsFacadeLocal;
import facade.OrdersFacadeLocal;
import facade.UsersFacadeLocal;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.HttpConstraint;
import javax.servlet.annotation.ServletSecurity;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import utils.ConfigurationManager;

/**
 *
 * @author Andriy_Polishchuk modified by Tkach Andrey
 */
@ServletSecurity(
        @HttpConstraint(rolesAllowed = {"Administrator", "Courier", "Warehouse Employee"}))
public class addComment extends HttpServlet {

    @EJB
    private OrdersFacadeLocal ordersFacade;
    @EJB
    private CommentsFacadeLocal commentsFacade;
    
    private String orderDetail =ConfigurationManager.getInstance().getLinksProperties().getProperty("ORDER_DETAIL_PAGE");
    private String courierDashboard =ConfigurationManager.getInstance().getLinksProperties().getProperty("COURIER_DASHBOARD");
    private String warehouseEmpDashboard =ConfigurationManager.getInstance().getLinksProperties().getProperty("WAREHOUSE_DASHBOARD");

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        if (request.getParameter("idOrder") != null) {
            int idOrder = Integer.parseInt(request.getParameter("idOrder"));
            Orders order = ordersFacade.find(idOrder);
            
            if (order != null) {
                if (request.getParameter("textarea") != null) {
                    String text = request.getParameter("textarea");
                    Users user = (Users) request.getSession().getAttribute("user");
                    Date date = new Date();

                    Comments comment = new Comments();
                    comment.setIdOrder(order);
                    comment.setCommentDate(date);
                    comment.setIdUser(user);
                    comment.setText(text);

                    commentsFacade.create(comment);
                    request.setAttribute("success", "Comment was added successfully.");
                    request.setAttribute("order", order);
                    request.setAttribute("dashboard", Integer.parseInt(request.getParameter("dashboard")));
                    RequestDispatcher dispatcher;
                    dispatcher = getServletContext().getRequestDispatcher(orderDetail);
                    dispatcher.forward(request, response);
                } else {
                    request.setAttribute("success", "No comment.");
                    request.setAttribute("dashboard", Integer.parseInt(request.getParameter("dashboard")));
                    RequestDispatcher dispatcher;
                    dispatcher = getServletContext().getRequestDispatcher(orderDetail);
                    dispatcher.forward(request, response);
                }//
            } else {
                RequestDispatcher dispatcher;
                request.setAttribute("success", "Such order does not exist.");
                if (request.getParameter("dashboard").equalsIgnoreCase("1")) {
                    dispatcher = getServletContext().getRequestDispatcher(courierDashboard);
                } else {
                    dispatcher = getServletContext().getRequestDispatcher(warehouseEmpDashboard);
                }
                dispatcher.forward(request, response);
            }
        } else {
            RequestDispatcher dispatcher;
            request.setAttribute("success", "Such order does not exist.");
            if (request.getParameter("dashboard").equalsIgnoreCase("1")) {
                dispatcher = getServletContext().getRequestDispatcher(courierDashboard);
            } else {
                dispatcher = getServletContext().getRequestDispatcher(warehouseEmpDashboard);
            }
            dispatcher.forward(request, response);
        }
    }
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">

    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
